diff --git a/Marlin/src/gcode/sd/M524.cpp b/Marlin/src/gcode/sd/M524.cpp
index b27814cc3..089d2e2f0 100644
--- a/Marlin/src/gcode/sd/M524.cpp
+++ b/Marlin/src/gcode/sd/M524.cpp
@@ -34,6 +34,8 @@ void GcodeSuite::M524() {
 
   if (IS_SD_PRINTING())
     card.flag.abort_sd_printing = true;
+  else if (card.isMounted())
+    card.closefile();
 
 }